JSFiddle - React, Tailwind, and code Playground

by Alex Alex

HTML

<input type=file>

JavaScript

// select the target node
var target = document.querySelector('[type="file"]');
 
// create an observer instance
var observer = new MutationObserver(function(mutations) {
  console.log(mutations);  
});
 
// configuration of the observer:
var config = { attributes: true, childList: true, characterData: true };
 
// pass in the target node, as well as the observer options
observer.observe(target, config);